OPC optimization techniques for enabling the reduction of mismatch between overlay metrology and the device pattern cell

Author:

Kim Shinyoung1,Park Chanha1,Jun Jinhyuck1,Hwang Jaehee1,Yang Hyunjo1,Oh Nang-Lyeom2,Park Sean3,Park Chris2,Sun Kyu-Tae2,Zhang Youping3,Tuffy Paul3

Affiliation:

1. SK hynix (Korea, Republic of)

2. ASML-Brion Korea (Korea, Republic of)

3. ASML-Brion US (United States)

Publisher

SPIE

Reference10 articles.

1. H. J. Levinson, Principles of Lithography, SPIE Optical Engineering Press, Bellingham, WA (2001).

2. Impact of lens aberrations on optical lithography

3. Image placement error: closing the gap between overlay and imaging;Eric,2005

4. Methodology for generating exposure tool specifications for alternating phase-shift mask application for 70-nm node

5. Improving on-product performance at litho using integrated diffraction-based metrology and computationally designed device-like targets fit for advanced technologies (incl. FinFET);Chen,2014

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